DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CITY OF MANDALUYONG Award a ₱3.4M contract to ALEXA TRADING AND CONSTRUCTIONCities
Transaction hash:
5b48cd2db710a54487b080b36a01f68e90a81ba2a98d0a1c912579a0a1dac152
Status:
Included and unchanged
Block:
#5,258 755 blocks after it
Position in block:
Transaction 152 of 465
Award day:
Aug 29, 2023 (3 yrs 2 mo ago)
From:
Value:
₱3,388,469.00
Project:
Site Development
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,258 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CITY OF MANDALUYONG awarded it to ALEXA TRADING AND CONSTRUCTION on 2023-08-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Mandaluyong gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 5b48cd2db7…dac152now …
- 2. Block Merkle root changedstored 0575e2d00a…f99a92now …
- 3. Block #5258 hash changedstored fbfdab0fcb…bc37acnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 464 records. Each step hashes the current value together with the sibling shown.
- leaf 5b48cd2db710a54487b080b36a01f68e90a81ba2a98d0a1c912579a0a1dac152
- 01 R 5c4acccfdd42930636ed7bd675eddb10ca5a87fb47c04d1899bae8055fd50d29
- 02 R 60ef54c92783822f46e488767d656e9dee3affa4e74adabda408ccfbf72a141b
- 03 R a002768da7923d42cae6ff69c8567281f1a16403c3e0ff3809e7e265d45f386f
- 04 L d112a20f21ebe0f6f10b7f801a16a75eeaff0500c46dc60e175011b4803a091f
- 05 L 41fcf82b26cb648b5936d60f32384dd7ad8366b47eb34e24763758918ba7c7bb
- 06 R 780a367e25701d0f2bc3a7f4c8b98793ea8aff454755b037b5b1c2709fd323f8
- 07 R b9b231a6057f531c3ab7de1a478bf7de523d9ff0954972842fff5d2d4723c00b
- 08 L 6de935004a133e274c6fa57a9eea3bf61889b9bdd719d18c7c2d66fb0b9ae820
- 09 R 107003cd8d75ce84e419deb35a954cd4276bf166ccf61ed59cbc293f1a247cde
- root 0575e2d00a6beadb1a5b5148259ecb51f0693e1438d4682288eb3bbae2f99a92